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K&N Air Intake Systems for the Ford Focus ST

Ford Focus ST Performance Air Intake Systems

If you are looking to improve performance, K&N Ford Focus ST air intakes are easy to install and come with a million mile limited warranty.
  • Designed to increase horsepower and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Buy now from the K&N Store and get a 100% money back guarantee and free shipping on any air intake!

Add horsepower to your Ford Focus ST with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart Number Product Image
2015 Ford Focus ST 2.0L L4 DSL - All
Automotive
2015 Ford Focus ST 2.0L Air Intake
57S-4000 Product Info 57S-4000 Focus ST FIPK Air Intake
2015 Ford Focus ST 2.0L L4 F/I - All
Automotive
2015 Ford Focus ST 2.0L Air Intake
57S-4000 Product Info 57S-4000 Focus ST FIPK Air Intake
2014 Ford Focus ST 2.0L L4 F/I - All
Automotive
2014 Ford Focus ST 2.0L Air Intake
69-3518TS

Est. Power Gain
7.38 HP @ 5130 RPM
Product Info 69-3518TS Focus ST Typhoon Kit (CA) Air Intake
2014 Ford Focus ST 2.0L L4 DSL - All
Automotive
2014 Ford Focus ST 2.0L Air Intake
57S-4000 Product Info 57S-4000 Focus ST FIPK Air Intake
2014 Ford Focus ST 2.0L L4 F/I - All
Automotive
2014 Ford Focus ST 2.0L Air Intake
57S-4000 Product Info 57S-4000 Focus ST FIPK Air Intake
2013 Ford Focus ST 2.0L L4 F/I - All
Automotive
2013 Ford Focus ST 2.0L Air Intake
69-3518TS

Est. Power Gain
7.38 HP @ 5130 RPM
Product Info 69-3518TS Focus ST Typhoon Kit (CA) Air Intake
2013 Ford Focus ST 2.0L L4 F/I - All
Automotive
2013 Ford Focus ST 2.0L Air Intake
57S-4000 Product Info 57S-4000 Focus ST FIPK Air Intake
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L Air Intake
57-0441 Product Info 57-0441 Focus ST170 57i Kit Air Intake
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TP Focus ST170 Typhoon Kit (CA) Air Intake
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TR Focus ST170 Typhoon Kit (CA) Air Intake
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L Air Intake
57-0441 Product Info 57-0441 Focus ST170 57i Kit Air Intake
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TP Focus ST170 Typhoon Kit (CA) Air Intake
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TR Focus ST170 Typhoon Kit (CA) Air Intake
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L Air Intake
57-0441 Product Info 57-0441 Focus ST170 57i Kit Air Intake
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TP Focus ST170 Typhoon Kit (CA) Air Intake
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
Product Info 69-3511TR Focus ST170 Typhoon Kit (CA) Air Intake